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	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.MediaProxy.Invalidation.Http do
	@moduledoc false
	@behaviour Pleroma.Web.MediaProxy.Invalidation

	require Logger

	@impl Pleroma.Web.MediaProxy.Invalidation
	def purge(urls, opts) do
	method = Map.get(opts, :method, :purge)
	headers = Map.get(opts, :headers, [])
	options = Map.get(opts, :options, [])

	Logger.debug("Running cache purge: #{inspect(urls)}")

	Enum.each(urls, fn url ->
	with {:error, error} <- do_purge(method, url, headers, options) do
	Logger.error("Error while cache purge: url - #{url}, error: #{inspect(error)}")
	end
	end)

	{:ok, "success"}
	end

	defp do_purge(method, url, headers, options) do
	case Pleroma.HTTP.request(method, url, "", headers, options) do
	{:ok, %{status: status} = env} when 400 <= status and status < 500 ->
	{:error, env}

	{:error, error} = error ->
	error

	_ ->
	{:ok, "success"}
	end
	end
	end